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United States
Securities and Exchange Commission
Washington, D.C. 20549
Form 10-Q
Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the quarterly period ended: September 30, 2024
Or
Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the transition period from ________________ to ________________
Commission file number: 001-13221
Cullen/Frost Bankers, Inc.
(Exact name of registrant as specified in its charter)
Texas74-1751768
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
111 W. Houston Street,San Antonio,Texas78205
(Address of principal executive offices)(Zip code)
(210)220-4011
(Registrant's telephone number, including area code)
N/A
(Former name, former address and former fiscal year, if changed since last report
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on
which registered
Common Stock, $.01 Par ValueCFRNew York Stock Exchange
Depositary Shares, each representing a 1/40th interest in a share of 4.450% Non-Cumulative Perpetual Preferred Stock, Series BCFR.PrBNew York Stock Exchange
Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes      No  
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes      No  
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer
Accelerated filer
Non-accelerated filer
Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes      No  
As of October 28, 2024, there were 64,131,862 shares of the registrant’s Common Stock, $.01 par value, outstanding.



Cullen/Frost Bankers, Inc.
Quarterly Report on Form 10-Q
September 30, 2024
Table of Contents
 Page
Item 1.
Item 2.
Item 3.
Item 4.
Item 1.
Item 1A.
Item 2.
Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities
Item 3.
Item 4.
Item 5.
Item 6.
2

Part I. Financial Information
Item 1. Financial Statements (Unaudited)
Cullen/Frost Bankers, Inc.
Consolidated Balance Sheets
(Dollars in thousands, except per share amounts)
September 30,
2024
December 31,
2023
Assets:
Cash and due from banks$751,174 $617,569 
Interest-bearing deposits8,436,550 7,985,057 
Federal funds sold1,000  
Resell agreements9,650 84,650 
Total cash and cash equivalents9,198,374 8,687,276 
Securities held to maturity, net of allowance for credit losses of $310 at both September 30, 2024 and December 31, 2023
3,569,718 3,619,428 
Securities available for sale, at estimated fair value15,320,043 16,578,371 
Trading account securities32,353 31,717 
Loans, net of unearned discounts20,054,863 18,824,251 
Less: Allowance for credit losses on loans(263,129)(245,996)
Net loans19,791,734 18,578,255 
Premises and equipment, net1,229,221 1,190,033 
Accrued interest receivable and other assets1,866,650 2,159,958 
Total assets$51,008,093 $50,845,038 
Liabilities:
Deposits:
Non-interest-bearing demand deposits$13,953,070 $14,926,094 
Interest-bearing deposits27,767,551 26,994,474 
Total deposits41,720,621 41,920,568 
Federal funds purchased22,375 14,200 
Repurchase agreements4,014,037 4,127,188 
Junior subordinated deferrable interest debentures, net of unamortized issuance costs123,170 123,127 
Subordinated notes, net of unamortized issuance costs99,609 99,491 
Accrued interest payable and other liabilities893,075 844,017 
Total liabilities46,872,887 47,128,591 
Shareholders’ Equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; 150,000 Series B shares ($1,000 liquidation preference) issued at September 30, 2024 and December 31, 2023
145,452 145,452 
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,404,582 shares issued at both September 30, 2024 and December 31, 2023
644 644 
Additional paid-in capital1,065,829 1,055,809 
Retained earnings3,889,387 3,657,688 
Accumulated other comprehensive income (loss), net of tax(915,433)(1,119,219)
Treasury stock, at cost; 473,378 shares at September 30, 2024 and 219,295 at December 31, 2023
(50,673)(23,927)
Total shareholders’ equity4,135,206 3,716,447 
Total liabilities and shareholders’ equity$51,008,093 $50,845,038 
See accompanying Notes to Consolidated Financial Statements.

3

Cullen/Frost Bankers, Inc.
Consolidated Statements of Income
(Dollars in thousands, except per share amounts)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2024202320242023
Interest income:
Loans, including fees$357,122 $307,035 $1,031,438 $867,302 
Securities:
Taxable99,561 103,875 296,635 303,610 
Tax-exempt54,618 56,918 164,456 184,189 
Interest-bearing deposits96,215 91,904 294,215 278,897 
Federal funds sold63 183 223 1,246 
Resell agreements580 1,197 2,977 3,391 
Total interest income608,159 561,112 1,789,944 1,638,635 
Interest expense:
Deposits164,328 138,779 479,222 357,034 
Federal funds purchased271 288 1,262 1,283 
Repurchase agreements35,868 33,195 108,118 99,960 
Junior subordinated deferrable interest debentures2,197 2,260 6,756 6,354 
Subordinated notes1,164 1,164 3,492 3,492 
Total interest expense203,828 175,686 598,850 468,123 
Net interest income404,331 385,426 1,191,094 1,170,512 
Credit loss expense19,386 11,185 48,823 30,190 
Net interest income after credit loss expense384,945 374,241 1,142,271 1,140,322 
Non-interest income:
Trust and investment management fees41,016 37,616 121,505 113,152 
Service charges on deposit accounts27,412 23,603 78,321 68,969 
Insurance commissions and fees14,839 13,636 47,054 45,528 
Interchange and card transaction fees5,428 4,672 15,253 14,811 
Other charges, commissions, and fees13,060 13,128 38,140 36,922 
Net gain (loss) on securities transactions16 12 16 66 
Other11,936 13,331 35,985 35,343 
Total non-interest income113,707 105,998 336,274 314,791 
Non-interest expense:
Salaries and wages156,637 137,562 455,874 401,102 
Employee benefits29,060 26,527 93,832 87,241 
Net occupancy32,497 31,581 96,649 93,644 
Technology, furniture, and equipment37,766 35,278 108,712 100,802 
Deposit insurance7,238 6,033 30,345 18,480 
Other60,212 56,275 181,179 162,171 
Total non-interest expense323,410 293,256 966,591 863,440 
Income before income taxes175,242 186,983 511,954 591,673 
Income taxes28,741 31,332 84,264 96,251 
Net income146,501 155,651 427,690 495,422 
Preferred stock dividends1,668 1,668 5,006 5,006 
Net income available to common shareholders$144,833 $153,983 $422,684 $490,416 
Earnings per common share:
Basic$2.24 $2.38 $6.52 $7.56 
Diluted2.24 2.38 6.51 7.54 
See accompanying Notes to Consolidated Financial Statements.
4

Cullen/Frost Bankers, Inc.
Consolidated Statements of Comprehensive Income (Loss)
(Dollars in thousands)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2024202320242023
Net income$146,501 $155,651 $427,690 $495,422 
Other comprehensive income (loss), before tax:
Securities available for sale and transferred securities:
Change in net unrealized gain/loss during the period498,371 (600,441)257,185 (547,035)
Change in net unrealized gain on securities transferred to held to maturity(150)(164)(466)(486)
Reclassification adjustment for net (gains) losses included in net income(16)(12)(16)(66)
Total securities available for sale and transferred securities498,205 (600,617)256,703 (547,587)
Defined-benefit post-retirement benefit plans:
Reclassification adjustment for net amortization of actuarial gain/loss included in net income as a component of net periodic cost (benefit)418 869 1,255 2,609 
Total defined-benefit post-retirement benefit plans418 869 1,255 2,609 
Other comprehensive income (loss), before tax498,623 (599,748)257,958 (544,978)
Deferred tax expense (benefit)104,712 (125,948)54,172 (114,445)
Other comprehensive income (loss), net of tax393,911 (473,800)203,786 (430,533)
Comprehensive income (loss)$540,412 $(318,149)$631,476 $64,889 
See accompanying Notes to Consolidated Financial Statements.
5

Cullen/Frost Bankers, Inc.
Consolidated Statements of Changes in Shareholders’ Equity
(Dollars in thousands, except per share amounts)
Preferred
Stock
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss),
Net of Tax
Treasury
Stock
Total
Three months ended:
September 30, 2024
Balance at beginning of period$145,452 $644 $1,064,070 $3,810,008 $(1,309,344)$(45,025)$3,665,805 
Net income— — — 146,501 — — 146,501 
Other comprehensive income (loss), net of tax— — — — 393,911 — 393,911 
Stock option exercises/stock unit conversions (131,465 shares)
— — — (4,124)— 14,399 10,275 
Stock-based compensation expense recognized in earnings— — 1,759 — — — 1,759 
Purchase of treasury stock (188,889 shares)
— — — — — (20,047)(20,047)
Cash dividends – Series B preferred stock (approximately $11.13 per share which is equivalent to approximately $0.28 per depositary share)
— — — (1,668)— — (1,668)
Cash dividends – common stock ($0.95 per share)
— — — (61,330)— — (61,330)
Balance at end of period$145,452 $644 $1,065,829 $3,889,387 $(915,433)$(50,673)$4,135,206 
September 30, 2023
Balance at beginning of period$145,452 $644 $1,040,754 $3,532,542 $(1,305,027)$(27,623)$3,386,742 
Net income— — — 155,651 — — 155,651 
Other comprehensive income (loss), net of tax— — — — (473,800)— (473,800)
Stock option exercises/stock unit conversions (8,483 shares)
— — — (217)— 813 596 
Stock-based compensation expense recognized in earnings— — 3,111 — — — 3,111 
Purchase of treasury stock (111,956 shares)
— — — — — (11,372)(11,372)
Cash dividends – Series B preferred stock (approximately $11.13 per share which is equivalent to approximately $0.28 per depositary share)
— — — (1,668)— — (1,668)
Cash dividends – common stock ($0.92 per share)
— — — (59,509)— — (59,509)
Balance at end of period$145,452 $644 $1,043,865 $3,626,799 $(1,778,827)$(38,182)$2,999,751 
See accompanying Notes to Consolidated Financial Statements
6

Cullen/Frost Bankers, Inc.
Consolidated Statements of Changes in Shareholders’ Equity
(Dollars in thousands, except per share amounts)
Preferred
Stock
Common
Stock
Additional
Paid-In
Capital
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss),
Net of Tax
Treasury
Stock
Total
Nine months ended:
September 30, 2024
Balance at beginning of period$145,452 $644 $1,055,809 $3,657,688 $(1,119,219)$(23,927)$3,716,447 
Net income— — — 427,690 — — 427,690 
Other comprehensive income (loss), net of tax— — — — 203,786 — 203,786 
Stock option exercises/stock unit conversions (254,093 shares)
— — — (10,043)— 25,527 15,484 
Stock-based compensation expense recognized in earnings— — 10,020 — — — 10,020 
Purchase of treasury stock (508,176 shares)
— — — — — (52,273)(52,273)
Cash dividends – Series B preferred stock (approximately $33.38 per share which is equivalent to approximately $0.83 per depositary share)
— — — (5,006)— — (5,006)
Cash dividends – common stock ($2.79 per share)
— — — (180,942)— — (180,942)
Balance at end of period$145,452 $644 $1,065,829 $3,889,387 $(915,433)$(50,673)$4,135,206 
September 30, 2023
Balance at beginning of period$145,452 $643 $1,029,756 $3,309,671 $(1,348,294)$ $3,137,228 
Net income— — — 495,422 — — 495,422 
Other comprehensive income (loss), net of tax— — — — (430,533)— (430,533)
Stock option exercises/stock unit conversions (72,496 shares)
— 1 1,463 (736)— 2,314 3,042 
Stock-based compensation expense recognized in earnings— — 12,646 — — — 12,646 
Purchase of treasury stock (410,288 shares)
— — — — — (40,496)(40,496)
Cash dividends – Series B preferred stock (approximately $33.38 per share which is equivalent to approximately $0.83 per depositary share)
— — — (5,006)— — (5,006)
Cash dividends – common stock ($2.66 per share)
— — — (172,552)— — (172,552)
Balance at end of period$145,452 $644 $1,043,865 $3,626,799 $(1,778,827)$(38,182)$2,999,751 
See accompanying Notes to Consolidated Financial Statements


7

Cullen/Frost Bankers, Inc.
Consolidated Statements of Cash Flows
(Dollars in thousands)
Nine Months Ended
September 30,
20242023
Operating Activities:
Net income$427,690 $495,422 
Adjustments to reconcile net income to net cash from operating activities:
Credit loss expense48,823 30,190 
Deferred tax expense (benefit)(11,165)(3,047)
Accretion of loan discounts(16,265)(13,074)
Securities premium amortization (discount accretion), net35,577 50,614 
Net (gain) loss on securities transactions(16)(66)
Depreciation and amortization61,413 56,257 
Net (gain) loss on sale/write-down of assets/foreclosed assets(343)(194)
Stock-based compensation10,020 12,646 
Net tax benefit from stock-based compensation1,280 583 
Earnings on life insurance policies(2,785)(2,164)
Net change in:
Trading account securities(620)(1,020)
Lease right-of-use assets18,891 17,347 
Accrued interest receivable and other assets322,645 55,440 
Accrued interest payable and other liabilities30,085 (137,088)
Net cash from operating activities925,230 561,846 
Investing Activities:
Securities held to maturity:
Purchases (1,147,624)
Maturities, calls and principal repayments46,757 154,465 
Securities available for sale:
Purchases(7,435,990)(13,445,382)
Sales60,591 1,904,067 
Maturities, calls and principal repayments8,773,027 13,073,663 
Proceeds from sale of loans1,191 2,215 
Net change in loans(1,244,886)(1,257,033)
Net cash paid in insurance agency asset acquisition(703) 
Benefits received on life insurance policies1,063 1,000 
Proceeds from sales of premises and equipment17 1,282 
Purchases of premises and equipment(90,129)(118,062)
Proceeds from sales of repossessed properties2,590 583 
Net cash from investing activities113,528 (830,826)
Financing Activities:
Net change in deposits(199,947)(2,961,961)
Net change in short-term borrowings(104,976)(964,096)
Proceeds from stock option exercises15,484 3,042 
Purchase of treasury stock(52,273)(40,496)
Cash dividends paid on preferred stock(5,006)(5,006)
Cash dividends paid on common stock(180,942)(172,552)
Net cash from financing activities(527,660)(4,141,069)
Net change in cash and cash equivalents511,098 (4,410,049)
Cash and cash equivalents at beginning of period8,687,276 12,028,132 
Cash and cash equivalents at end of period$9,198,374 $7,618,083 

See accompanying Notes to Consolidated Financial Statements.
8

Notes to Consolidated Financial Statements
(Table amounts in thousands, except for share and per share amounts)
Note 1 - Significant Accounting Policies
Nature of Operations. Cullen/Frost Bankers, Inc. (“Cullen/Frost”) is a financial holding company and a bank holding company headquartered in San Antonio, Texas that provides, through its subsidiaries, a broad array of products and services throughout numerous Texas markets. The terms “Cullen/Frost,” “the Corporation,” “we,” “us” and “our” mean Cullen/Frost Bankers, Inc., and its subsidiaries, when appropriate. In addition to general commercial and consumer banking, other products and services offered include trust and investment management, insurance, brokerage, mutual funds, leasing, treasury management, capital markets advisory and item processing.
Basis of Presentation. The consolidated financial statements in this Quarterly Report on Form 10-Q include the accounts of Cullen/Frost and all other entities in which Cullen/Frost has a controlling financial interest. All significant intercompany balances and transactions have been eliminated in consolidation. The accounting and financial reporting policies we follow conform, in all material respects, to accounting principles generally accepted in the United States and to general practices within the financial services industry.
The consolidated financial statements in this Quarterly Report on Form 10-Q have not been audited by an independent registered public accounting firm, but in the opinion of management, reflect all adjustments necessary for a fair presentation of our financial position and results of operations. All such adjustments were of a normal and recurring nature. The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q adopted by the Securities and Exchange Commission (“SEC”). Accordingly, the financial statements do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements and should be read in conjunction with our consolidated financial statements, and notes thereto, for the year ended December 31, 2023, included in our Annual Report on Form 10-K filed with the SEC on February 6, 2024 (the “2023 Form 10-K”). Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for a full year or any future period.
Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. Actual results could differ from those estimates. The allowance for loan losses and the fair values of financial instruments and the status of contingencies are particularly subject to change.
Cash Flow Reporting. Additional cash flow information was as follows:
Nine Months Ended
September 30,
20242023
Cash paid for interest$593,610 $435,099 
Cash paid for income taxes96,500 97,000 
Significant non-cash transactions:
Unsettled securities transactions84,779 276 
Loans foreclosed and transferred to other real estate owned and foreclosed assets2,633  
Right-of-use lease assets obtained in exchange for lessee operating lease liabilities13,982 9,964 
Accounting Changes, Reclassifications and Restatements. Certain items in prior financial statements have been reclassified to conform to the current presentation.
9

Note 2 - Securities
Securities - Held to Maturity. A summary of the amortized cost, fair value and allowance for credit losses related to securities held to maturity as of September 30, 2024 and December 31, 2023, is presented below.
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Estimated
Fair Value
Allowance
for Credit
Losses
Net
Carrying
Amount
September 30, 2024
Residential mortgage-backed securities
$1,211,798 $7,380 $39,632 $1,179,546 $ $1,211,798 
States and political subdivisions
2,356,730 31,823 71,318 2,317,235 (310)2,356,420 
Other1,500  10 1,490  1,500 
Total$3,570,028 $39,203 $110,960 $3,498,271 $(310)$3,569,718 
December 31, 2023
Residential mortgage-backed securities
$1,250,431 $76 $54,175 $1,196,332 $ $1,250,431 
States and political subdivisions
2,367,807 42,990 76,540 2,334,257 (310)2,367,497 
Other1,500  45 1,455  1,500 
Total$3,619,738 $43,066 $130,760 $3,532,044 $(310)$3,619,428 
All mortgage-backed securities included in the above table were issued by U.S. government agencies and corporations. The carrying value of held-to-maturity securities pledged to secure public funds, trust deposits, repurchase agreements and for other purposes, as required or permitted by law was $1.0 billion at both September 30, 2024 and December 31, 2023, respectively. Accrued interest receivable on held-to-maturity securities totaled $20.2 million and $40.9 million at September 30, 2024 and December 31, 2023, respectively and is included in accrued interest receivable and other assets in the accompanying consolidated balance sheets.
From time to time, we have reclassified certain securities from available for sale to held to maturity. The net unamortized, unrealized gain remaining on transferred securities included in accumulated other comprehensive income in the accompanying balance sheet totaled $685 thousand ($541 thousand, net of tax) at September 30, 2024 and $1.2 million ($909 thousand, net of tax) at December 31, 2023. This amount will be amortized out of accumulated other comprehensive income over the remaining life of the underlying securities as an adjustment of the yield on those securities.
The following table summarizes Moody's and/or Standard & Poor's bond ratings for our portfolio of held-to-maturity securities issued by States and political subdivisions and other securities as of September 30, 2024 and December 31, 2023:
States and Political Subdivisions
Not Guaranteed or Pre-RefundedGuaranteed by the Texas PSFGuaranteed by Third PartyPre-RefundedTotalOther
Securities
September 30, 2024
Aaa/AAA$301,414 $1,522,654 $13,643 $14,528 $1,852,239 $ 
Aa/AA498,379  6,112  504,491  
Not rated     1,500 
Total$799,793 $1,522,654 $19,755 $14,528 $2,356,730 $1,500 
December 31, 2023
Aaa/AAA$301,721 $1,541,913 $13,651 $1,401 $1,858,686 $ 
Aa/AA
503,016  6,105  509,121  
Not rated     1,500 
Total$804,737 $1,541,913 $19,756 $1,401 $2,367,807 $1,500 
10

The following table details activity in the allowance for credit losses on held-to-maturity securities during the three and nine months ended September 30, 2024 and 2023.
Three Months Ended
September 30,
Nine Months Ended
September 30,
2024202320242023
Beginning balance$310 $267 $310 $158